Home / 276,211.08-381,114.12-161,467.56

Finding the Fourth Proportional to 276,211.08, 381,114.12 and 161,467.56

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Solution

The fourth proportional to 276,211.08, 381,114.12 and 161,467.56 is: 222,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,211.08 : 381,114.12 = 161,467.56 : x
  2. Step 2: Convert to fraction form
    276,211.08/381,114.12 = 161,467.56/x
  3. Step 3: Cross multiply
    276,211.08x = 381,114.12 × 161,467.56
  4. Step 4: Simplify right side
    276,211.08x = 61,537,567,037.95
  5. Step 5: Solve for x
    x = 61,537,567,037.95/276,211.08
  6. Step 6: Final answer
    x = 222,791.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.